<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="7">
          <el-input placeholder="请输入内容" v-model="queryInfo.query"  clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表(表格)区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改 -->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <!-- 删除 -->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeuserById(scope.row.id)"></el-button>
            <!-- 分配角色 -->
            <el-tooltip
              class="item"
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
    </el-card>
    <el-dialog
  title="添加用户"
  :visible.sync="addDialogVisible"
  width="50%"
  @close="addDialogclose"
  >
<!-- 对话框组件  :visible.sync(设置是否显示对话框) width(设置对话框的宽度)
:before-close(在对话框关闭前触发的事件) -->
    <!-- 对话框主体区域 -->
    <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
    </el-form>
    <!-- 对话框底部区域 -->
    <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
    </span>
</el-dialog>
   <el-dialog
  title="修改用户"
  :visible.sync="editDialogVisible"
  width="50%"
  @close="editDialogClosed"
  >
<!-- 对话框组件  :visible.sync(设置是否显示对话框) width(设置对话框的宽度)
:before-close(在对话框关闭前触发的事件) -->
    <!-- 对话框主体区域 -->
    <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
            <el-input v-model="editForm.username"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
    </el-form>
    <!-- 对话框底部区域 -->
    <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser">确 定</el-button>
    </span>
</el-dialog>

    <!-- 分页导航区域 
@size-change(pagesize改变时触发) 
@current-change(页码发生改变时触发)
:current-page(设置当前页码)
:page-size(设置每页的数据条数)
    :total(设置总页数)-->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
    ></el-pagination>
  </div>
</template>
<script>
import { async } from 'q';
export default {
  data() {
    var checkEmail = (rule, value, cb) => {
    const regEmail = /^\w+@\w+(\.\w+)+$/
    if (regEmail.test(value)) {
      return cb()
    }
    //返回一个错误提示
    cb(new Error('请输入合法的邮箱'))
  }
  //验证手机号码的规则
  var checkMobile = (rule, value, cb) => {
    const regMobile = /^1[34578]\d{9}$/
    if (regMobile.test(value)) {
      return cb()
    }
    //返回一个错误提示
    cb(new Error('请输入合法的手机号码'))
  }
    return {
      
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 10
      },
      userlist: [],
      total: 0,
      addDialogVisible:false,
          addForm: {
      username: '',
      password: '',
      email: '',
      mobile: ''
    },
     addFormRules: {
      username: [
        { required: true, message: '请输入用户名称', trigger: 'blur' },
        {
          min: 3,
          max: 10,
          message: '用户名在3~10个字符之间',
          trigger: 'blur'
        }
      ],
      password: [
        { required: true, message: '请输入密码', trigger: 'blur' },
        {
          min: 6,
          max: 15,
          message: '用户名在6~15个字符之间',
          trigger: 'blur'
        }
      ],
      email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator:checkEmail, message: '邮箱格式不正确，请重新输入', trigger: 'blur'}
      ],
      mobile: [
          { required: true, message: '请输入手机号码', trigger: 'blur' },
          {validator:checkMobile, message: '手机号码不正确，请重新输入', trigger: 'blur'}
      ]
    },
    //控制修改用户对话框的显示与否
editDialogVisible: false,
//修改用户的表单数据
editForm: {
    username: '',
    email: '',
    mobile: ''
},
//修改表单的验证规则对象
editFormRules: {
    email: [
        { required: true, message: '请输入邮箱', trigger: 'blur' },
        {
        validator: checkEmail,
        message: '邮箱格式不正确，请重新输入',
        trigger: 'blur'
        }
    ],
    mobile: [
        { required: true, message: '请输入手机号码', trigger: 'blur' },
        {
        validator: checkMobile,
        message: '手机号码不正确，请重新输入',
        trigger: 'blur'
        }
    ]
}
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo
      });
      console.log(res);
      if (res.meta.status != 200)
        return this.$message.error("获取用户列表失败！");
      this.userlist = res.data.users;
      this.total = res.data.total;
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    handleCurrentChange(newpage) {
      this.queryInfo.pagenum = newpage;
      this.getUserList();
    },
    async userStateChanged(userinfo) {
      const {data:res} = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
  if (res.meta.status !== 200) {
    row.mg_state = !row.mg_state
    return this.$message.error('修改状态失败')
  }
  this.$message.success('更新状态成功')
},
addDialogclose() {
    //对话框关闭之后，重置表达
  this.$refs.addFormRef.resetFields();
},
 addUser(){
      //点击确定按钮，添加新用户
      //调用validate进行表单验证
      this.$refs.addFormRef.validate( async valid => {
          if(!valid) return this.$message.error("请填写完整用户信息");
          //发送请求完成添加用户的操作
          const {data:res} = await this.$http.post("users",this.addForm)
          //判断如果添加失败，就做提示
          if (res.meta.status !== 201)
              return this.$message.error('添加用户失败')
          //添加成功的提示
          this.$message.success("添加用户成功")
          //关闭对话框
          this.addDialogVisible = false
          //重新请求最新的数据
          this.getUserList()
      })
  },
  //展示编辑用户的对话框
async showEditDialog(id) {
    //发送请求根据id获取用户信息
    const { data: res } = await this.$http.get('users/' + id)
    //判断如果添加失败，就做提示
    if (res.meta.status !== 200) return this.$message.error('获取用户信息失败')
    //将获取到的数据保存到数据editForm中
    this.editForm = res.data
    //显示弹出窗
    this.editDialogVisible = true
},
editDialogClosed(){
    //对话框关闭之后，重置表达
    this.$refs.editFormRef.resetFields()
},
editUser() {
    //用户点击修改表单中的确定按钮之后，验证表单数据
    this.$refs.editFormRef.validate(async valid => {
    if (!valid) return this.$message.error('请填写完整用户信息')
    //发送请求完成修改用户的操作
    const { data: res } = await this.$http.put(
        'users/' + this.editForm.id,this.editForm
    )
    //判断如果修改失败，就做提示
    if (res.meta.status !== 200) return this.$message.error('修改用户失败')
    //修改成功的提示
    this.$message.success('修改用户成功')
    //关闭对话框
    this.editDialogVisible = false
    //重新请求最新的数据
    this.getUserList()
    })
},
 async removeuserById(id) {
   const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
      if (confirmResult != 'confirm') {
        return this.$message.info('已取消删除')
      }
    const {data:res} =  await this.$http.delete('users/' + id)
        if (res.meta.status != 200) {
            return this.$message.error('删除用户失败')
        }
        this.$message.success('删除成功')
        this.getUserList()
}
    }
  }

</script>
<style lang="less" scoped>
</style>